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2 042 707

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Application

5061061/04, 1992-07-13

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Actual filing date

1992-07-13

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Published

1995-08-27

(72)

Inventor

Khajrudinov I.R.Sultanov F.M.Bikbulatov M.S.Mingaraev S.S.Biktimirov F.S.Zajnetdinov M.A.Kuliev A.M.Denisov B.N.Sukhorukov V.I.

(73)

Holder

Khajrudinov Il'Dar Rashidovich

METHOD OF DEASPHALTING PETROLEUM RESIDUE Russian patent published in 1995 - IPC

Abstract RU 2042707 C1

FIELD: oil industry. SUBSTANCE: petroleum residue is extracted with propane to obtain asphalt and deasphalted solution. The asphalted solution is conditioned in the separator under propane supercritical conditions. The interface between phases inside the separator is maintained at the level of 0.5-0.7 of the separator height. The regenerated propane is discharged from the top of the separator. The deasphalted phase is discharged from the bottom. After regeneration propane is returned to make extraction. EFFECT: enhanced efficiency. 1 tbl

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RU 2 042 707 C1

Authors

Khajrudinov I.R.

Sultanov F.M.

Bikbulatov M.S.

Mingaraev S.S.

Biktimirov F.S.

Zajnetdinov M.A.

Kuliev A.M.

Denisov B.N.

Sukhorukov V.I.

Dates

1995-08-27—Published

1992-07-13—Filed

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